---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-38521 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 8 On-line CPU(s) list: 0-7 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 12G 144G 8% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 754 25114 4 6223 30869 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:43:d3:ff brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.39/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83698sec preferred_lft 83698sec inet6 fe80::f816:3eff:fe43:d3ff/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:c1:1b:0c:29:d6 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-38521) 08/18/26 _x86_64_ (8 CPU) 07:40:53 LINUX RESTART (8 CPU) 07:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:00:17 14.79 0.01 1.31 13.47 0.18 15.89 500332.00 08:10:01 1.02 0.00 1.02 0.00 0.00 12.56 0.00 08:20:01 45.45 3.59 41.18 0.68 125.09 6604.50 4637.44 Average: 20.54 1.20 14.50 4.84 41.76 2211.02 172767.09 07:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:00:17 30205076 31885928 501020 1.52 59720 1959120 1496580 4.41 207876 2163624 4 08:10:01 30190772 31871916 515040 1.57 60024 1959132 1496580 4.41 208160 2178960 4 08:20:01 26058172 30396576 1919708 5.84 102596 4516656 2248796 6.63 1186584 5222924 842856 Average: 28818007 31384807 978589 2.98 74113 2811636 1747319 5.15 534207 3188503 280955 07:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:00:17 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 08:00:17 ens3 0.56 0.21 0.24 0.11 0.00 0.00 0.00 0.00 08:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 08:10:01 ens3 0.36 0.14 0.12 0.07 0.00 0.00 0.00 0.00 08:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:01 lo 162.02 162.02 197.39 197.39 0.00 0.00 0.00 0.00 08:20:01 ens3 225.96 153.20 1187.37 51.41 0.00 0.00 0.00 0.00 08:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 54.07 54.07 65.80 65.80 0.00 0.00 0.00 0.00 Average: ens3 75.63 51.18 395.91 17.19 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-38521) 08/18/26 _x86_64_ (8 CPU) 07:40:53 LINUX RESTART (8 CPU) 07:50:01 CPU %user %nice %system %iowait %steal %idle 08:00:17 all 0.07 0.00 0.02 0.02 0.01 99.89 08:00:17 0 0.01 0.00 0.02 0.11 0.00 99.86 08:00:17 1 0.02 0.00 0.04 0.01 0.02 99.92 08:00:17 2 0.39 0.00 0.03 0.00 0.02 99.56 08:00:17 3 0.03 0.00 0.01 0.00 0.01 99.95 08:00:17 4 0.02 0.00 0.02 0.00 0.00 99.96 08:00:17 5 0.01 0.00 0.01 0.00 0.00 99.98 08:00:17 6 0.07 0.00 0.02 0.01 0.01 99.88 08:00:17 7 0.00 0.00 0.00 0.00 0.00 99.99 08:10:01 all 0.08 0.00 0.01 0.00 0.01 99.90 08:10:01 0 0.01 0.00 0.01 0.00 0.01 99.98 08:10:01 1 0.23 0.00 0.02 0.02 0.01 99.72 08:10:01 2 0.32 0.00 0.02 0.00 0.01 99.66 08:10:01 3 0.01 0.00 0.01 0.00 0.01 99.98 08:10:01 4 0.02 0.00 0.02 0.00 0.02 99.93 08:10:01 5 0.01 0.00 0.01 0.00 0.00 99.98 08:10:01 6 0.02 0.00 0.02 0.00 0.01 99.96 08:10:01 7 0.00 0.00 0.01 0.00 0.00 99.98 08:20:01 all 10.93 0.00 0.74 0.10 0.04 88.20 08:20:01 0 8.38 0.00 0.66 0.15 0.04 90.77 08:20:01 1 10.43 0.00 0.76 0.09 0.04 88.68 08:20:01 2 10.77 0.00 0.70 0.03 0.05 88.46 08:20:01 3 11.17 0.00 0.65 0.06 0.04 88.08 08:20:01 4 11.59 0.00 0.78 0.02 0.04 87.58 08:20:01 5 13.35 0.00 0.67 0.03 0.04 85.92 08:20:01 6 11.41 0.00 0.96 0.37 0.04 87.22 08:20:01 7 10.33 0.00 0.71 0.08 0.03 88.86 Average: all 3.69 0.00 0.26 0.04 0.02 96.00 Average: 0 2.80 0.00 0.23 0.09 0.02 96.87 Average: 1 3.55 0.00 0.27 0.04 0.02 96.11 Average: 2 3.82 0.00 0.25 0.01 0.03 95.90 Average: 3 3.73 0.00 0.22 0.02 0.02 96.01 Average: 4 3.87 0.00 0.27 0.01 0.02 95.83 Average: 5 4.45 0.00 0.23 0.01 0.01 95.30 Average: 6 3.83 0.00 0.34 0.13 0.02 95.69 Average: 7 3.44 0.00 0.24 0.03 0.01 96.28